How do I learn more about it? I can google it if there's nothing specific I should look up. 

Unfortunately I'm not techy enough to know these terms. All I really know is the economics, and whatever the influencers tell us about, which is usually pretty basic even for me. 

 sorry not RingCT
just Confidential Transactions 

Liquid has them implementated (as does Monero) so theyre a good source

https://blog.liquid.net/guide-to-confidential-transactions/